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UM1045 数据表(PDF) 21 Page - STMicroelectronics

部件名 UM1045
功能描述  This document applies to revision 2 EVALSPEAR320HMI expansion boards
PDF  36 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

UM1045 数据表(HTML) 21 Page - STMicroelectronics

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EVALSPEAr320HMI
Connector pinouts
Doc ID 18410 Rev 3
21/36
5.9
General purpose ADC connector CN700
Connector CN700 has eight analog input lines available.
In the expansion, ensure the following relationship between the pins:
0V
≤ CN700-1
≤ CN700-3 – CN700-17
≤ CN700-19
≤ +2.5V
GND
≤ ADC_VREFN
≤ AIN0 –AIN7
≤ ADC_VREFP
≤ +2V5ADC
Table 19.
General purpose ADC connector pinout (CN700)
Pin
Description
Pin
Description
Pin
Description
Pin
Description
1
ADC VREF negative or
GND using JP8
6
GND
11 AIN4
16
GND
2
GND
7
AIN2
22 GND
17
AIN7
3
AIN0
8
GND
23 AIN5
18
GND
4
GND
9
AIN3
24 GND
19
ADC VREF positive or
+2V5 using JP7
5
AIN1
10 GND
25 AIN6
20
GND



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